<template>
  <div class="login">
    <h1>登录</h1>
    <div class="login-wrapper">
      <div class="avatar">
        <img src="https://tse1-mm.cn.bing.net/th/id/OIP-C.iQ7sLSQ9mpnrcXKFVwl0FQAAAA?pid=ImgDet&rs=1" alt="">
      </div>
      <van-form @submit="onSubmit">
        <van-cell-group inset>
          <van-field v-model="state.username" name="用户名" label="用户名" placeholder="用户名"
            :rules="[{ required: true, message: '请填写用户名' }]" />
          <van-field v-model="state.password" type="password" name="密码" label="密码" placeholder="密码"
            :rules="[{ required: true, message: '请填写密码' }]" />
        </van-cell-group>
        <div style="margin: 16px;">
          <van-button round block type="primary" native-type="submit">
            <!-- 把native-type="submit" 点击事件转移到@submit="onSubmit"上 -->
            登录
          </van-button>
        </div>
      </van-form>
    </div>
    <p class="register" @click="register">新用户？点这里注册</p>
  </div>
</template>
 
<script setup>
import { reactive } from 'vue';
import axios from '../api/axios.js'
import { useRouter } from 'vue-router'

const router = useRouter()
const state = reactive({
  username: '',
  password: ''
})
// const username=toref(state,'username')
// const username=torefs(state)
const onSubmit = async () => {
  // console.log(state.username, state.password);
  //发接口请求，把用户输入的账号，密码，传给后端
  const res = await axios.post('/users/login', {
    username: state.username,
    password: state.password,
  })
  // console.log(res);
  // 会话存储
  if (res.code==='80000') {
    sessionStorage.setItem('userInfo', JSON.stringify(res.data))  //转字符串
    router.push({ path: '/noteClass' })
  }

}


//注册跳转
const register=()=>{
  router.push('/register')
}
</script>

<style lang="less" scoped>
.login {
  width: 100vw;
  height: 100vh;
  background-color: #fff;
  padding: 0 0.5rem;
  box-sizing: border-box; //不会挤压边距，挤压自己的内容，不会增多
  overflow: hidden; //magin重叠
  position: relative;

  h1 {
    height: 0.69333rem;
    text-align: center;
    margin-top: 1.12rem;
    font-size: 0.48rem;
  }

  .login-wrapper {
    width: 7.44rem;
    height: 10.77rem;
    border: 1px solid rgb(187, 187, 187);
    margin: 0 auto;
    margin-top: 1.7rem;
    border-radius: 0.3rem;
    box-shadow: 0 0 0.533rem 0 rgba(170, 170, 170, 1); //x y  扩散范围  阴影宽度  颜色

    .avatar {
      width: 2.4rem;
      height: 2.4rem;
      overflow: hidden;
      border-radius: 50%;
      margin: 1rem auto 0.77rem;

      img {
        width: 100%;

      }
    }
  }

  .register {
    position: absolute;
    bottom: 30px;
    width: 80%;
    left: 50%;
    transform: translateX(-50%); //平移 居中
    text-align: center;
    font-size: 0.374rem;
    height: 0.6rem;
    line-height: 0.6rem;
    color: rgb(16, 16, 16);
  }
}
</style>

<style>
.van-cell__title.van-field__label {
  width: 45px;
}
</style>